Specimen Requirements

Submit only 1 of the following specimens:

Preferred:

Plasma

Draw blood in a light green-top (lithium heparin gel) tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate plasma from cells within 2 hours of draw, and send 2 mL of lithium heparin plasma refrigerated.

Note:  Label specimen as "plasma".

Alternate:

Serum

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). (Hemolyzed specimen is not acceptable.) Spin down, separate serum from cells within 2 hours of draw, and send 2 mL of serum refrigerated.

Note:  Label specimen as "serum".